CN2757246Y

CN2757246Y - Remaining current record monitor

Info

Publication number: CN2757246Y
Application number: CN 200420109821
Authority: CN
Inventors: 谢华跃
Original assignee: Individual
Current assignee: Individual
Priority date: 2004-11-15
Filing date: 2004-11-15
Publication date: 2006-02-08
Anticipated expiration: 2014-11-15

Abstract

The utility model belongs to the technical field of current monitoring devices, which particularly relates to a residual current recording monitor. The utility model comprises a power circuit which is connected with an amplifier, a program controller, a display, an address decoder, a clock circuit, a memory and a signal transmitting and receiving device. The utility model is characterized in that the input terminal of the amplifier is connected with the output terminal of a zero sequence mutual inductor; the amplifier, the display, the address decoder, the clock circuit, the memory and the signal transmitting and receiving device are respectively connected with the program controller. The programmed controller of the utility model can carry out the intellectualized processing of storage, recording, statistics, display, alarm and transmission on the information of failure residual current. The programmed controller of the utility model also offers valuable raw information data for the analysis of accident causes in the electric power department, the fire-fighting department, the security control department, etc. The utility model offers an effective approach for the realization of the scientific management of power utilization.

Description

Residual Current Record Monitor

Technical field

The utility model belongs to a kind of current monitoring equipment technical field, particularly relates to a kind of Residual Current Record Monitor.

Background technology

Residual current detection table is the specialized equipment that detects supply line's residual current fault, and it is searched the residual current trouble spot, in time fixes a breakdown and safe power supply provides convenience for people; As everyone knows; the uncertainty of residing environmental difference of supply line and electricity consumption situation is very big; this makes that the randomness of supply line's generation fault residual current is very big; for ensureing Electrical Safety; people install residual current circuit breaker usually in supply line; so that automatic cutout electric line when electric leakage takes place is to reach the safety of protection consumer, the person and property.But, residual current detection table of the prior art and residual current circuit breaker have only supply line's residual current and the single effect that disconnects with electric line of detecting respectively, and basic conditions such as the time that the fault residual current is taken place, number of times, strength of current all do not have record, can not provide necessary source book for analyzing power supply trouble; Therefore, how to ensure the security and the high-level efficiency of mains supply, realize the intelligent management of the safety of power supply, this has become one of problem of people's concern.

The utility model content

The purpose of this utility model is to provide a kind of and can writes down and transmission fault residual current information, helps carry out the Residual Current Record Monitor of intelligent management with electric line.

The purpose of this utility model is to adopt such technical scheme to realize: it comprises that power circuit, described power circuit are connected with amplifier, programming controller, display, address decoder, clock circuit, storer and signal sending and receiving device, it is characterized in that described amplifier input terminal zero-sequence transformer output terminal links, described amplifier, display, address decoder, clock circuit, storer and signal sending and receiving device link with programming controller respectively.

The utility model is owing to adopt zero-sequence transformer to gather fault residual current information, this fault residual current information is transported to programming controller after amplifier amplifies, handle by the intellectuality that programming controller can be stored fault residual current information, write down, add up, show, report to the police and send, thereby help eliminating the security of operation of fault, reduction line loss, guarantee circuit, for the analysis accident provides very valuable original information data, it is one of effective means that realizes the electricity consumption scientific management simultaneously.

Below in conjunction with drawings and Examples, the utility model is further described.

Description of drawings

Fig. 1 is a circuit block diagram of the present utility model

Fig. 2 is power circuit principle figure of the present utility model

Fig. 3 is the circuit theory diagrams of programming controller of the present utility model

Fig. 4 is one of circuit theory diagrams of signal sending and receiving device of the present utility model

Fig. 5 be signal sending and receiving device of the present utility model circuit theory diagrams two

Fig. 6 be signal sending and receiving device of the present utility model circuit theory diagrams three

Fig. 7 is the circuit theory diagrams of display of the present utility model

Fig. 8 is one of circuit theory diagrams of the utility model storer

Fig. 9 be storer of the present utility model circuit theory diagrams two

Figure 10 is the circuit theory diagrams of address decoder of the present utility model and warning circuit

Figure 11 is the circuit theory diagrams of clock circuit of the present utility model

Figure 12 is the circuit theory diagrams of zero-sequence transformer of the present utility model and amplifier

Figure 13 is the circuit theory diagrams of the utility model function selector

Embodiment

With reference to Fig. 1: it comprises that power circuit 10, described power circuit 10 are connected with amplifier 3, programming controller 4, display 1, address decoder 5, clock circuit 9, storer 6 and signal sending and receiving device 11, input end zero-sequence transformer 2 output terminals of described amplifier 3 link, and described amplifier 3, display 1, address decoder 5, clock circuit 9, storer 6 and signal sending and receiving device 11 link with programming controller 4 respectively; Described zero-sequence transformer 2 can be transferred to amplifier 3 with the sensor current signal that the fault residual current produces, this signal is transfused to programming controller 4 after amplifier 3 amplifies, programming controller 4 can be transferred to address decoder 5 with the signal of clock circuit 7 and amplifier 3 inputs, and reach storer 6 storage by address decoder 5, described programming controller 4 can extract required signal from storer 6, described programming controller 4 can be with signal conveys to display 1, described display 1 can demonstrate the electrical leakage and the time signal of fault residual current, the fault current signal and the time signal that are deposited in the described storer 6 can be sent to signal sending and receiving device 11 through programming controller 4, this signal sending and receiving device 11 can outwards send fault current signal and time signal, simultaneously can also receive the signal that the external world is imported into, and give programming controller 4 with the signal conveys that receives, the input end of described programming controller 4 also is connected with function selector 8, and the output terminal of described programming controller 4 is connected with warning circuit 7; Operating function selector switch 8 can realize to signal demonstration, receive and send, write down, add up and function such as warning, the control program of described programming controller 4 adopts known C language establishment.

In Fig. 2, power circuit 10 described in the utility model mainly contains integrated circuit UI and peripheral cell is formed by connecting in known manner, and described integrated circuit UI adopts 7805 commercially available power modules, and it can provide working power to each circuit unit.

In Fig. 3, programming controller 4 described in the utility model mainly is formed by connecting by ic chip 1 and peripheral cell thereof, described ic chip 1 adopts the single-chip microcomputer of commercially available MC68HC05C model, its pin 1 and pin 8 join with working power, its

2,3,4,6 join with address decoder 5, its

7,12,14,16,21-23,28,38-40 and display 1 join, its pin 17,18 join with clock circuit 9, its pin 19,20 join with signal sending and receiving device 11, its pin 17-23,28,38,39,41 join with storer 6, its pin 19,20,24,25,27,29 and 30 and function selector 88 join, its pin 35 joins with the output terminal of amplifier 3.

In Fig. 4, signal sending and receiving device 11 described in the utility model is to be formed by connecting by integrated circuit (IC) 2 and capacitor C 11, C12, C13, C14, the model that described IC2 adopts is the wire communication module of MAX232, and its pin 11 and pin 12 join with pin 19 and the pin 20 of IC1 respectively.

In Fig. 5, signal sending and receiving device 11 described in the utility model is to be formed by connecting by integrated circuit (IC) 13 and capacitor C 15C, 16, C17, the model that described IC13 adopts is the SMS communication module of QS2403A, and its pin 32 and pin 39 join with pin 19 and the pin 20 of IC1 respectively.

In Fig. 6, signal sending and receiving device 11 described in the utility model is to be made of integrated circuit (IC) 11, IC12 and peripheral cell thereof, the model that described IC11 adopts is a MCP2120 infrared radio communication module, it is the infrared radio communication communication module of TFDS4500 that described IC12 adopts model, and IC11 pin 5, pin 6, pin 11 and pin 12 join with pin 14, pin 16 pin 20 and the pin 19 of IC1 respectively; IC12 pin 2IC11 pin 5, pin 6, pin 11 and pin 12 join with pin 14, pin 16 pin 20 and the pin 19 of IC1 respectively; Pin 7 joins with pin 14, pin 16 pin 20 and the pin 19 of IC1 respectively with the pin 14 of IC1 and pin 16IC11 pin 5, pin 6, pin 11 and pin 12 respectively.

In Fig. 7, display 1 described in the utility model mainly is made of display module IC3 and peripheral cell, IC3 selects the display module of commercially available LCD2002 model for use, its pin 4-14 joins with

7,12,14,16,21-23,28, the 38-40 of ic chip 1 respectively, and its pin 16 joins with warning circuit 7.

In Fig. 8, Fig. 9, storer 6 described in the utility model comprises that ic chip 4, ic chip 10 and peripheral cell thereof are connected with known manner, the model that ic chip 4 adopts is the 39SP020 integrated package, it is 24LC16 that IC10 adopts model, pin 13-15,17, the 18-21,24 of described ic chip 4,31 and ic chip 1 link, its pin 1-12, pin 23,25-30 and address decoder join, and the

5,6 of ic chip 10 and pin 17, the pin 18 of ic chip 1 link.

In Figure 10, address decoder 5 described in the utility model is to be connected in known manner by ic chip 5, IC6, IC7 and peripheral cell thereof to form, ic chip 5, IC6, IC7 all adopt commercially available 74HC595 model, the pin 6-12 of the pin 1-7 of ic chip 5 and the ic chip 4 of storer joins, the

1,2 of described ic chip 6,4-7 are connected with pin 23, the 25-29 of IC4, and the pin 6 of ic chip 7 is connected with the pin 30 of IC4;

Warning circuit 7 described in the utility model is made of ic chip 8 and peripheral cell, described IC8 selects the integrated package of commercially available 74HC595 model, the

11,14 of IC8 joins with the

4,2 of IC1 and the

11,14 of IC7 respectively, the pin 12 of IC8 joins with the pin 6 of IC1, the pin 7 of IC8 joins with the warning branch road that resistance R 13, triode Q2 and hummer BP constitute, the pin 6 light-emitting component LED of IC8 join, and the pin 15 of IC8 joins with the warning branch road that resistance R 11, R12, triode Q1 constitute.

In Figure 11, clock circuit 9 described in the utility model is to be made of ic chip 9 and peripheral cell resistance R 1, diode D1, D3, capacitor C 2H battery BT, it is the clock module of SD2003 that IC9 adopts model, the

6,7 of IC9 and the pin 18,19 of IC1 join, and the

6,7 of IC9 also joins with the

5,6 of IC10.

In Figure 12, amplifier 3 described in the utility model comprises operational amplifier U2, resistance R 2, R3, R4, R6 and capacitor C 2, they are connected in known manner, described operational amplifier U2 adopts the LM358 model, its input end and zero-sequence transformer 2 are joined, the pin 35 of output terminal and IC1 joins, and described zero-sequence transformer 2 can directly be buied by market.

In Figure 13, function selector 8 described in the utility model adopts commercially available key-press module J2, its pin 3 joins with the pin 20 of IC1 and the pin 11 of IC11, the pin 5 of J2 joins with the pin 19 of IC1 and the pin 12 of IC2, and the pin 11 of J2 joins with the pin 24 of IC1, and the pin 12 of J2 joins with the pin 25 of IC1, the pin 10 of J2 joins with the pin 27 of IC1, the pin 9 of J2 joins with the pin 29 of IC1, and pin 8 joins with the pin 30 of IC1, and pin 7 joins with the pin 6 of IC8.

When the utility model uses, zero-sequence transformer 2 is installed in the supply line, this zero-sequence transformer 2 can be transferred to amplifier 3 with the fault residual current signal that receives in the supply line, give programming controller 4 signal conveys by amplifier 3 then, programming controller 4 can be handled signal according to the requirement of program run, thereby realize the demonstration of signal, transmit, receive, record, statistics, functions such as warning, the utility model can be provided with sounding according to actual request for utilization, luminous warning, so that when electrical leakage surpasses predetermined value, send sound automatically, light is reported to the police, the attention of reminds people; The utility model can also be used in combination with residual current protecting electrical equipment, as leak electricity short-circuit device and earth leakage protection relay etc.; Described signal sending and receiving device 11 can be realized the reception and the transmission of signal, it can adopt wired and wireless mode transmits signal, what is particularly worth mentioning is that the utility model can use short message to transmit the information of supply line, thereby can be quick, accurately the residual current failure condition is sent to dispatching center and line attendant respectively, for in time fixing a breakdown, ensure that Electrical Safety provides advantage, programming controller 4 of the present utility model can be stored fault residual current information, record, statistics, show, the intellectuality of reporting to the police and sending is handled, also be electric power, fire-fighting conforms with segment analysis culprit such as security control, and very valuable original information data is provided.

Claims

1, Residual Current Record Monitor, comprise that power circuit, described power circuit are connected with amplifier, programming controller, display, address decoder, clock circuit, storer and signal sending and receiving device, it is characterized in that described amplifier input terminal zero-sequence transformer output terminal links, described amplifier, display, address decoder, clock circuit, storer and signal sending and receiving device link with programming controller respectively.

2, Residual Current Record Monitor according to claim 1 is characterized in that the input end of described programming controller is connected with function selector.

3, Residual Current Record Monitor according to claim 1 is characterized in that the output terminal of described programming controller is connected with warning circuit.

4, Residual Current Record Monitor according to claim 1, it is characterized in that described programming controller mainly is formed by connecting by ic chip 1 and peripheral cell thereof, described ic chip 1 adopts the single-chip microcomputer of MC68HC05C model, its pin 1 and pin 8 join with working power, its pin 2,3,4,6 join with address decoder, its pin 7,12,14,16,21-23,28,38-40 and display join, its pin 17,18 join with clock circuit, its pin 19,20 join with the signal sending and receiving device, its pin 17-23,28,38,39,41 join with storer, its pin 19,20,24,25,27,29 and 30 and function selector join, its pin 35 joins with the output terminal of amplifier.

5, Residual Current Record Monitor according to claim 1, it is characterized in that described display mainly is made of display module IC3 and peripheral cell, IC3 selects the display module of LCD2002 model for use, and its pin 4-14 joins with pin 7,12,14,16,21-23,28, the 38-40 of ic chip 1 respectively.

6, Residual Current Record Monitor according to claim 3, it is characterized in that described warning circuit is made of ic chip 8 and peripheral cell, described IC8 selects the integrated package of commercially available 74HC595 model, the pin 12 of IC8 joins with the pin 6 of IC1, the pin 7 of IC8 joins with the warning branch road that resistance R 13, triode Q2 and hummer BP constitute, the pin 6 light-emitting component LED of IC8 join, and the pin 15 of IC8 joins with the warning branch road that resistance R 11, R12, triode Q1 constitute.

7, Residual Current Record Monitor according to claim 1, it is characterized in that described signal sending and receiving device is to be formed by connecting by integrated circuit (IC) 13 and capacitor C 15, C16, C17, the model that described IC13 adopts is the SMS communication module of QS2403A, and its pin 32 and pin 39 join with pin 19 and the pin 20 of IC1 respectively.

8, Residual Current Record Monitor according to claim 1, it is characterized in that described signal sending and receiving device is to be formed by connecting by integrated circuit (IC) 11, IC12 and peripheral cell thereof, the model that described IC11 adopts is a MCP2120 infrared radio communication module, it is the infrared radio communication communication module of TFDS4500 that described IC12 adopts model, and IC11 pin 5, pin 6, pin 11 and pin 12 join with pin 14, pin 16 pin 20 and the pin 19 of IC1 respectively; IC12 pin 2IC11 pin 5, pin 6, pin 11 and pin 12 join with pin 14, pin 16 pin 20 and the pin 19 of IC1 respectively; Pin 7 joins with pin 14, pin 16 pin 20 and the pin 19 of IC1 respectively with the pin 14 of IC1 and pin 16IC11 pin 5, pin 6, pin 11 and pin 12 respectively.

9, Residual Current Record Monitor according to claim 1, it is characterized in that described signal sending and receiving device is to be formed by connecting by integrated circuit (IC) 2 and capacitor C 11, C12, C13, C14, the model that described IC2 adopts is the wire communication module of MAX232, and its pin 11 and pin 12 join with pin 19 and the pin 20 of IC1 respectively.